1901,6.8,4.4,9.3,12.9,14.8,21.2,23.1,22.9,19.9,13,8.5,5.4
1902,6,8.7,10.3,13.1,13.5,18.8,23.3,22.5,18.9,13.4,10.2,7
1903,6.2,7.8,10,11.9,14.5,18.9,22.6,23.6,19.3,15.8,11.1,6.8
1904,7.6,8.8,8.5,12.2,16.5,20.4,23.8,23.8,18.8,15.2,9.1,8.1
1905,6.1,5.8,11.5,13.5,14.1,19.9,23.4,22.9,18.7,13.2,8.8,5.9
1906,7.4,7.1,8.8,10.1,14.7,20.3,22.4,23.6,19.3,15,9.8,6.6
1907,6,6.4,9.2,12.1,14,20,21.6,22.7,18.9,13.3,9.1,8.7
1908,7.2,7.8,8.2,10.7,16,18,22.1,22.5,20.2,15.9,10.6,7.5
1909,5.3,5.3,9.8,12.4,15.4,18,21.3,22.7,18.2,15.4,10,8.3
1910,6.5,9.5,8.3,11.5,13.7,19.5,22.1,22.1,18.1,14.5,10.8,7.8
1911,4.4,7.7,8.6,10.7,14.5,18.6,23.1,23.6,20.8,14.1,9.9,8.8
1912,7.1,9.9,11.4,11.2,16.1,19.1,21.6,21.7,17.3,13.5,8.4,5.9
1913,8.3,7.8,9.7,11.6,15.4,19.6,22.2,22.2,18.2,14.6,11.6,6.8
1914,4.8,8.9,11.2,12.3,14.5,17.5,21.6,21.6,19.8,14.5,9.3,7.2
1915,6.4,6.8,9,10,14.7,19.6,22.9,23.5,18.7,13.2,9.4,8.1
1916,6.7,8.1,8.9,11.5,15.5,18.3,21.9,23.2,18.5,15,10.4,8.1
1917,5.9,7.2,8.6,9.8,15,19.1,22.9,22.5,20.3,13.6,9,4.2
1918,6.4,6.8,8.4,10.4,14.8,19,22,21.7,18.9,12.1,8.4,6.9
1919,4.7,8.5,9.2,10.5,14,18.4,21.3,22.1,19.2,12.3,7.4,5.5
1920,6.6,6.9,8.7,12.1,14.8,18.8,21.5,21.3,18.3,13.4,8.1,5.3
1921,6.3,7.3,9.3,10.9,14.2,19.2,23.1,22.7,20.4,16.2,9.2,6.9
1922,6.7,8.4,9.2,12.7,16.1,18.4,21.7,22.7,17.3,14.5,9,5.7
1923,5.1,8.1,10.1,10.5,15.6,17.1,23.4,24.3,17.9,17,9.5,5.7
1924,6.9,5.9,10.3,12.9,18.3,20.9,23.8,22.2,19.8,15.7,10.4,6.8
1925,5.3,7.5,6.8,11.3,14.3,18.7,21.2,22.2,18.3,14,8,7.2
1926,7.3,10.6,10.6,12.5,14.6,18.8,22.4,22.6,21.3,16.2,9.3,5.4
1927,6.8,6.6,10.5,12.5,16,19.6,22.4,23.1,19.8,14.7,8.8,7
1928,6.1,8,10.2,11.8,14.2,19.8,24.1,23.7,20.2,15.2,9.4,5.7
1929,3.8,7.1,8.4,11.8,14.4,20.5,22.8,21.8,19.4,13.9,9.4,8
1930,7.9,4.9,9.7,10.9,15.3,18.9,22.6,23.1,19.9,16.3,11,8.2
1931,6.6,7.2,8.4,12.2,15.2,21.3,23.3,23.7,18,14,9.4,4.5
1932,4.9,4.6,10.2,11.3,15.4,17.9,20.8,21.2,19.5,13.9,10.4,7.3
1933,5.4,7.3,9.3,12.3,15.7,17.6,22.5,24.1,20.3,15.3,7.7,4.3
1934,5.3,5.8,8.5,11,15.5,20,23.5,21.9,20.1,14.4,7.5,9.4
1935,4.9,7.3,9.1,12.2,12.7,19.7,23.3,22.3,20.5,13.6,9.9,8.7
1936,9.4,9.5,9.9,11.9,13.3,17.6,21.8,21.7,19.8,12.6,9,5.3
1937,7.6,10.2,9.9,12.9,15.4,19.5,22.5,23.3,19.4,15,12.1,7
1938,5.9,5.7,8.6,10.4,13.4,19.1,22,22.1,18,15,10.9,7
1939,8.9,7.3,8.3,11.2,13,17.7,21.4,21.2,19.3,13.8,9.6,6.9
1940,6.2,9.5,11.4,12.2,14.8,17.5,21.2,21.8,18.7,13,9.5,4.9
1941,6.2,9,9.9,11,13.2,18.1,21.8,21.3,18.5,13.7,8.5,5.5
1942,6.4,5.5,10.9,12.8,15.9,19.9,22.2,22.1,19.5,15.9,9.6,7.1
1943,8.1,7.5,9,12.6,16.4,20.7,22.5,23.1,19.4,14.2,8.5,6.4
1944,5.4,5.1,8.6,12.8,15.3,19.9,22.1,23.1,19.8,12.9,10.2,5.8
1945,3.7,8,8.9,13.7,16.4,20.5,23.7,22.6,20.8,15.5,11.3,8.4
1946,5.3,8.1,9.3,11.7,14.6,19,22.5,23.4,20.9,16.1,10,6
1947,6.2,8.7,11.9,12,14.8,21,23.9,23.2,19.8,15.4,12,6.7
1948,9.2,8.7,11.1,12.2,15.9,20.3,21.5,23.2,19.7,14.5,10.8,8.1
1949,6.8,7.6,8.7,12.8,14.6,19.9,23.8,23.6,21,15.7,10.9,7.6
1950,6.6,9.2,9.2,11.2,14.8,20.5,24.3,23.9,19.8,15.4,12.1,5.9
1951,6.9,8,10.1,10.8,13.8,19.7,22.7,22.2,20,13.3,9.8,8.4
1952,5.2,7,11.6,11.8,16,21.7,23.5,23.1,18.8,15.8,10.6,7.5
1953,5.2,6,8.1,12.5,16.9,19,22.7,23.2,20.4,14.5,11,9.1
1954,5.9,7.1,10.1,10.7,15.2,19.4,22.2,22.3,19.7,15.2,12.1,8.3
1955,10.2,9.2,8.8,11.9,16.8,20.3,23.7,23.2,19.7,14.6,10.2,9.2
1956,7.8,4.5,9,11.4,15.1,18.4,22.6,23,19.8,14.6,8.4,5.6
1957,5.1,9.3,10.7,10.8,14.2,18.3,22.6,23.2,20.3,13.9,9.3,6.3
1958,6.7,9,10.3,10.5,16.1,19.7,22,22.8,21.5,14.6,10.1,8.8
1959,7.3,6.9,10.8,12.9,14.9,19.4,23.9,23.4,20.1,15.2,10.4,9.1
1960,7.5,8.6,11.4,12.1,16.1,20.9,23.4,23.4,20.2,14,11.5,6.5
1961,6.9,9.5,9.4,14.2,17.4,20,23.5,23,21.1,15.7,10.6,8.9
1962,8,7.8,9.7,12.4,15.6,19.3,23.8,23.9,22,16.4,8.7,6.5
1963,6.9,6.6,10.4,11.7,14.7,19.9,23.5,22.8,19,15.6,12.2,6.9
1964,6.5,9,10.7,11.4,17.3,20.6,24,23.6,22.2,15.4,10.3,7
1965,6.7,6,10.7,12.3,16.4,20.1,23.5,22.7,18.3,15.4,11.2,9.2
1966,9.6,10.9,9.3,13.9,15.8,20.1,22.7,23.8,20.9,15.2,8.7,8.5
1967,6.9,8.3,10.9,11,15.7,18.4,23.7,23.7,20.4,17.4,11.7,6.7
1968,7.7,9,9.1,12,15.4,19.7,23.7,23.1,20.9,16.8,11.3,8.8
1969,8.1,6.8,10.3,12.1,16.1,19,23.1,23,18.8,15.2,10.5,7.4
1970,8.7,9,8.4,11.8,15.3,20.2,23.2,23.6,21.5,14.8,12.4,5.9
1971,7.1,8.2,7.3,12,14.5,18.9,23.6,24,20.6,16.5,8.8,7.2
1972,6.6,8.7,9.3,11.9,13.8,18.6,22.5,21.8,18,14.2,11.9,7.5
1973,7.3,7.5,7.8,11,16,19.8,23.2,23.8,20.6,14.8,11.5,7.3
1974,8.6,5.9,9.6,10.4,16.4,20.3,23.1,23.5,20.8,13.2,11,8.3
1975,8.5,8.6,9.2,11.2,14.1,19.3,24,24.1,19.7,15.6,10.5,6.8
1976,6.6,8.3,9.7,10.7,15.3,20.8,23.9,23.5,19.6,14.5,9.1,8.7
1977,8,10.5,10.9,12.4,14.4,18.8,21.9,21.2,19.4,15.9,11.5,9.2
1978,7.3,10.2,10.9,12.1,15,19.2,21.6,23.1,21.1,15.1,10.6,10.1
1979,9.4,9.8,10.6,12.1,15.7,20.5,23.6,23.4,19.4,15.6,10.5,9.1
1980,7.7,9.1,10.8,11.1,15.4,20.1,22.1,24.1,21.9,15.6,10.5,7.3
1981,7.5,7.5,12.3,12.4,15.7,20.6,22.3,22.6,20.8,16.7,12.5,10.7
1982,9.7,9.1,10.4,12,15.4,22.1,25,23.1,20.7,15.5,11.2,8.5
1983,7.4,6.9,10.7,13.3,16.3,20.4,23.9,22.9,21.9,16.8,13,8.8
1984,8.3,7.9,8.6,12.9,14.1,19.2,23.4,23.1,20.3,14.7,12,8.4
1985,5.9,10.2,10,13.6,14.5,20.9,25,23.2,21.6,17.1,11.3,8.6
1986,8.7,8.6,10.2,11.4,17.4,20.5,23.8,24,21.4,16.8,11.4,8.6
1987,7.5,9,11.2,13.7,16.3,20.5,24.1,24.4,22.4,16.8,11.3,9.9
1988,9.9,8.8,11.8,13.3,16.6,20.2,24.2,24.6,20.6,16.7,11.7,7.9
1989,7.2,9.3,11.4,12.6,16.5,21.3,25.3,25.5,20.1,16.7,12.9,11
1990,7.9,11.4,11.3,12.2,16.9,21.7,24.8,25.6,22.8,16.4,11.5,7.6
1991,7.6,7.7,11.2,11.9,14.3,20.6,24.6,25.1,21.7,14.5,11.1,8.4
1992,6.2,7.6,10.3,13.1,17.3,18.7,23.7,25.2,20.9,15.4,12.6,8.9
1993,6.8,7.5,9.7,12.9,16.6,21.3,23.5,24.2,20,14.3,10.2,9.1
1994,7.9,8.9,11.3,12.8,17.5,21.9,25.4,26.5,19.1,16.2,12.8,9.1
1995,9.4,10.9,10.9,12.9,17.4,20.5,24.5,24.7,20,17.3,13.4,10.4
1996,10,8.7,10.4,13.5,16.6,22,24.4,24.2,19.4,15,11.9,9
1997,8.2,10.7,11.9,14.2,16.5,21.9,23.5,24.6,21.6,18.5,12.7,9.4
1998,9,9.8,11.9,14.2,16.5,21.9,25.5,25.1,22.1,16,12,7.8
1999,8.3,8.6,10.9,14.2,18.4,21.7,25,25.4,21.9,16.5,10.1,8.9
2000,6.4,11,11.5,13.9,18,22,24.8,24.3,21.2,15.9,11.5,10.2
2001,10.2,9.8,13,14.6,17.4,22.5,24.7,25.5,21.1,18.2,10.2,7.4
2002,8.6,10.5,11.9,13.4,16.3,22.1,24.2,23.3,21.2,17.1,12.9,10.9
2003,8.6,8,11.1,13.6,17.4,24.7,26.2,26.4,21.6,16.5,12.5,9.3
2004,10.4,8.7,10.1,12.8,16,22.7,25,26.1,22.1,17.9,11.1,9.2
2005,6.6,6.4,9.9,13.1,17.2,22.5,24.9,23.5,20.5,16.9,10.7,8.2
2006,7.5,8.1,12.7,14.5,17.8,21.2,25.8,23.9,21.3,18.2,13.5,9
2007,8.4,11.2,11.5,13.3,18.2,21.8,24.3,24.1,20.7,16,10.6,8.9
2008,9.4,9.9,12,14.5,16.4,20.8,24.6,24.8,21.1,15.8,10.4,7.6
2009,8,8.5,10.6,13,17.7,22.4,25.2,25.1,20.7,17.6,14.1,9.3
